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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/96333


    Title: 側向振動梳狀微結構流場阻尼之數值計算
    Other Titles: Numerical Simulation of Damping in the Flow Field of Laterally Driven Micro Comb Structures
    Authors: 陳慶祥
    Contributors: 淡江大學航空太空工程學系
    Keywords: 梳狀微結構;黏滯阻尼;數值模擬;Micro comb structure;Viscous damping;Numerical simulation
    Date: 2004-12
    Issue Date: 2014-03-07 09:09:47 (UTC+8)
    Abstract: 本文以數值方法求解Navier-Stokes方程組來模擬側向振動梳狀微結構流場,數 值計算所得之品質因子與實驗結果相當吻合。數值結果顯示作簡諧運動的結構底 面的阻尼約為 全部阻尼的66%,此一數值與Couette flow模型所計算結果相當吻 合,上表面、側表面及前表面之阻尼各約為全部的10-12%。滑動效應會減少約 7%的下表面阻尼。
    The Navier-Stokes simulation was used to simulate two laterally driven micro comb structures in this study. The total quality factors predicted numerically agree quite well with the experimental data. The numerical results show that the bottom surface of the oscillating structure contributes about 66% of the total damping and is very close to that predicted by the Couette flow model. The top, side, and edge surface each contributes about 10-12%. The slip effect was also included in this study. The slip effect reduces the viscous damping on the bottom surface of the oscillating structure by about 7%.
    Relation: 中國航空太空學會第四十六屆年會暨會員大會、2004航太學會/民航學會聯合學術研討會、國科會航太學門專題研究計畫成果發表會、教育部航太科技教育改進計畫成果發表會論文集,5頁
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Proceeding

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